```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>LTX-Video - 开源AI视频生成模型</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }
        .drop-cap::first-letter {
            float: left;
            font-size: 3.5em;
            line-height: 0.85;
            margin-right: 0.1em;
            margin-bottom: -0.1em;
            color: #4f46e5;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(79, 70, 229, 0.5), transparent);
            margin: 3rem 0;
        }
    </style>
</head>
<body class="antialiased">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4 md:py-32">
        <div class="max-w-6xl mx-auto">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl lg:text-6xl font-bold mb-6 leading-tight font-serif">
                        LTX-Video
                    </h1>
                    <p class="text-xl md:text-2xl mb-8 opacity-90 leading-relaxed">
                        开源AI视频生成模型，基于扩散变换器架构，为创作者带来革命性的视频制作体验
                    </p>
                    <div class="flex flex-col sm:flex-row gap-4">
                        <a href="#features" class="bg-white text-indigo-600 hover:bg-gray-100 px-6 py-3 rounded-lg font-medium text-lg transition duration-300 shadow-md">
                            <i class="fas fa-play-circle mr-2"></i> 了解功能
                        </a>
                        <a href="https://github.com/Lightricks/LTX-Video" target="_blank" class="bg-indigo-800 hover:bg-indigo-900 text-white px-6 py-3 rounded-lg font-medium text-lg transition duration-300 shadow-md">
                            <i class="fab fa-github mr-2"></i> GitHub项目
                        </a>
                    </div>
                </div>
                <div class="md:w-1/2 flex justify-center">
                    <div class="relative w-full max-w-md">
                        <div class="absolute -inset-2 bg-indigo-500 rounded-2xl opacity-30 blur-md"></div>
                        <div class="relative bg-white/10 backdrop-blur-sm rounded-xl p-1">
                            <img src="https://images.unsplash.com/photo-1574717024453-354bc4e470c9?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80" alt="AI视频生成" class="rounded-lg shadow-2xl">
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Problem Section -->
    <section id="problems" class="py-16 px-4 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">它能解决什么问题？</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="drop-cap bg-gray-50 p-8 rounded-2xl shadow-sm max-w-4xl mx-auto">
                <p class="text-lg text-gray-700 leading-relaxed mb-6">
                    传统视频生成工具生成速度慢、硬件要求高、提示词响应不佳，且多依赖云端服务，增加成本和隐私风险。用户常需复杂配置或专业技能来实现高质量视频，限制了创作效率。
                </p>
                <p class="text-lg text-gray-700 leading-relaxed font-semibold">
                    <span class="text-indigo-600">LTX-Video 正是为解决这些问题而设计</span>，通过高效的本地运行、多尺度渲染和开源架构，提供快速、灵活且隐私友好的视频生成方案。
                </p>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section id="features" class="py-16 px-4 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">核心功能概述</h2>
                <p class="text-xl text-gray-600 max-w-2xl mx-auto">探索LTX-Video的强大功能集，释放您的创造力</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="feature-icon bg-indigo-100 text-indigo-600">
                        <i class="fas fa-bolt text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">实时视频生成</h3>
                    <p class="text-gray-600">支持 30 FPS、1216×704 分辨率视频生成，速度快于播放，适合快速迭代。</p>
                </div>
                
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="feature-icon bg-purple-100 text-purple-600">
                        <i class="fas fa-layer-group text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">多模态支持</h3>
                    <p class="text-gray-600">提供文本到视频、图像到视频、关键帧动画和视频扩展功能，满足多样化创作需求。</p>
                </div>
                
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="feature-icon bg-blue-100 text-blue-600">
                        <i class="fas fa-expand text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">多尺度渲染</h3>
                    <p class="text-gray-600">先生成低分辨率运动草稿，再精炼细节，提升速度和质量。</p>
                </div>
                
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="feature-icon bg-green-100 text-green-600">
                        <i class="fas fa-sliders-h text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">IC-LoRA 控制</h3>
                    <p class="text-gray-600">支持深度图、姿态估计、Canny 边缘等控制模型，精确控制视频生成细节。</p>
                </div>
                
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="feature-icon bg-red-100 text-red-600">
                        <i class="fab fa-osi text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">开源与 ComfyUI 集成</h3>
                    <p class="text-gray-600">提供完整代码和 ComfyUI 工作流，支持自定义和社区扩展。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Visualization Section -->
    <section class="py-16 px-4 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">技术架构概览</h2>
                <p class="text-xl text-gray-600 max-w-2xl mx-auto">LTX-Video如何实现高效视频生成</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="bg-gray-50 p-6 rounded-2xl shadow-sm">
                <div class="mermaid">
                    graph TD
                        A[输入文本/图像] --> B[扩散变换器 DiT]
                        B --> C{多尺度渲染}
                        C --> D[低分辨率运动草稿]
                        C --> E[高分辨率细节精炼]
                        D --> F[IC-LoRA控制]
                        E --> F
                        F --> G[输出高质量视频]
                        
                        style A fill:#4f46e5,color:#fff
                        style B fill:#7c3aed,color:#fff
                        style C fill:#a855f7,color:#fff
                        style D fill:#6366f1,color:#fff
                        style E fill:#8b5cf6,color:#fff
                        style F fill:#9333ea,color:#fff
                        style G fill:#6d28d9,color:#fff
                </div>
            </div>
        </div>
    </section>

    <!-- Use Cases Section -->
    <section class="py-16 px-4 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">使用场景</h2>
                <p class="text-xl text-gray-600 max-w-2xl mx-auto">LTX-Video如何赋能不同领域</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 bg-indigo-100 rounded-lg flex items-center justify-center text-indigo-600 mr-4">
                            <i class="fas fa-share-alt text-xl"></i>
                        </div>
                        <h3 class="text-xl font-bold text-gray-800">社交媒体短视频</h3>
                    </div>
                    <p class="text-gray-600 mb-4">
                        内容创作者输入描述性提示词（如"企鹅在雪地滑行"），快速生成抖音风格的高清短视频，节省编辑时间。
                    </p>
                    <p class="text-indigo-600 font-medium italic">
                        你的内容创作是否需要快速生成吸引眼球的视频？
                    </p>
                </div>
                
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 bg-purple-100 rounded-lg flex items-center justify-center text-purple-600 mr-4">
                            <i class="fas fa-ad text-xl"></i>
                        </div>
                        <h3 class="text-xl font-bold text-gray-800">视频广告制作</h3>
                    </div>
                    <p class="text-gray-600">
                        营销团队利用图像到视频功能，将产品照片转为动态广告，配合 IC-LoRA 调整风格，适配品牌需求。
                    </p>
                </div>
                
                <div class="bg-white p-8 rounded-xl shadow-sm card-hover">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 bg-blue-100 rounded-lg flex items-center justify-center text-blue-600 mr-4">
                            <i class="fas fa-flask text-xl"></i>
                        </div>
                        <h3 class="text-xl font-bold text-gray-800">研究与原型设计</h3>
                    </div>
                    <p class="text-gray-600">
                        AI 研究人员通过 LTX-Video-Trainer 微调模型，测试特定领域的视频生成效果，如动画或医学可视化。
                    </p>
                </div>
            </div>
        </div>
    </section>

    <!-- Comparison Section -->
    <section class="py-16 px-4 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">优势与特色</h2>
                <p class="text-xl text-gray-600 max-w-2xl mx-auto">与同类产品相比的独特之处</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
                <div>
                    <div class="bg-indigo-50 p-6 rounded-xl mb-8">
                        <div class="flex items-start mb-4">
                            <div class="bg-indigo-100 p-2 rounded-lg mr-4">
                                <i class="fas fa-tachometer-alt text-indigo-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-bold text-gray-800 mb-2">超快生成</h3>
                                <p class="text-gray-600">
                                    13B 和 2B 模型实现实时生成，速度比同类快 30 倍，适合消费级 GPU（如 NVIDIA 4090）。
                                </p>
                            </div>
                        </div>
                    </div>
                    
                    <div class="bg-purple-50 p-6 rounded-xl mb-8">
                        <div class="flex items-start mb-4">
                            <div class="bg-purple-100 p-2 rounded-lg mr-4">
                                <i class="fab fa-osi text-purple-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-bold text-gray-800 mb-2">开源生态</h3>
                                <p class="text-gray-600">
                                    Apache 2.0 许可证支持商业使用，ComfyUI 集成提供丰富工作流，社区活跃（7.1k 星标）。
                                </p>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div>
                    <div class="bg-blue-50 p-6 rounded-xl mb-8">
                        <div class="flex items-start mb-4">
                            <div class="bg-blue-100 p-2 rounded-lg mr-4">
                                <i class="fas fa-sliders-h text-blue-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-bold text-gray-800 mb-2">灵活控制</h3>
                                <p class="text-gray-600">
                                    IC-LoRA 和多尺度渲染技术增强提示词遵循和细节生成，优于传统扩散模型。
                                </p>
                            </div>
                        </div>
                    </div>
                    
                    <div class="bg-green-50 p-6 rounded-xl">
                        <div class="flex items-start mb-4">
                            <div class="bg-green-100 p-2 rounded-lg mr-4">
                                <i class="fas fa-microchip text-green-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-bold text-gray-800 mb-2">硬件友好</h3>
                                <p class="text-gray-600">
                                    8GB VRAM 即可运行 2B 模型，量化版本（如 FP8）进一步降低需求。
                                </p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <div class="bg-yellow-50 border-l-4 border-yellow-400 p-4 rounded-r-lg mt-8">
                <div class="flex">
                    <div class="flex-shrink-0">
                        <i class="fas fa-exclamation-triangle text-yellow-500"></i>
                    </div>
                    <div class="ml-3">
                        <h3 class="text-sm font-medium text-yellow-800">局限性</h3>
                        <div class="mt-2 text-sm text-yellow-700">
                            <p>
                                0.9.8 版为预览版，模型可能存在提示词响应不稳定问题；学术用途受限于 Rail-M 许可，商业用途需确认条款；Windows 配置可能需额外调试。
                            </p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Getting Started Section -->
    <section class="py-16 px-4 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">上手指南</h2>
                <p class="text-xl text-gray-600 max-w-2xl mx-auto">快速开始使用LTX-Video</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="bg-white rounded-xl shadow-sm overflow-hidden">
                <div class="grid grid-cols-1 md:grid-cols-2">
                    <div class="p-8">
                        <h3 class="text-2xl font-bold text-gray-800 mb-6">环境准备</h3>
                        
                        <div class="mb-6">
                            <h4 class="text-lg font-semibold text-gray-700 mb-2 flex items-center">
                                <span class="w-8 h-8 bg-indigo-100 text-indigo-600 rounded-full flex items-center justify-center mr-3">1</span>
                                克隆仓库
                            </h4>
                            <div class="bg-gray-800 text-gray-100 p-4 rounded-lg font-mono text-sm overflow-x-auto">
                                git clone https://github.com/Lightricks/LTX-Video.git<br>
                                cd LTX-Video
                            </div>
                        </div>
                        
                        <div class="mb-6">
                            <h4 class="text-lg font-semibold text-gray-700 mb-2 flex items-center">
                                <span class="w-8 h-8 bg-indigo-100 text-indigo-600 rounded-full flex items-center justify-center mr-3">2</span>
                                创建环境
                            </h4>
                            <div class="bg-gray-800 text-gray-100 p-4 rounded-lg font-mono text-sm overflow-x-auto">
                                python -m venv env<br>
                                source env/bin/activate<br>
                                <span class="text-gray-400"># Windows用 env\Scripts\activate</span>
                            </div>
                        </div>
                        
                        <div class="mb-6">
                            <h4 class="text-lg font-semibold text-gray-700 mb-2 flex items-center">
                                <span class="w-8 h-8 bg-indigo-100 text-indigo-600 rounded-full flex items-center justify-center mr-3">3</span>
                                安装依赖
                            </h4>
                            <div class="bg-gray-800 text-gray-100 p-4 rounded-lg font-mono text-sm overflow-x-auto">
                                python -m pip install -e .[inference]<br>
                                pip install -U git+https://github.com/huggingface/diffusers
                            </div>
                        </div>
                    </div>
                    
                    <div class="bg-gray-800 p-8 text-gray-100">
                        <h3 class="text-2xl font-bold text-white mb-6">运行示例</h3>
                        
                        <div class="mb-6">
                            <h4 class="text-lg font-semibold text-gray-300 mb-2 flex items-center">
                                <span class="w-8 h-8 bg-indigo-500 text-white rounded-full flex items-center justify-center mr-3">4</span>
                                下载模型
                            </h4>
                            <div class="bg-gray-900 text-gray-300 p-4 rounded-lg font-mono text-sm overflow-x-auto">
                                # 从Hugging Face获取模型<br>
                                # 如 Lightricks/LTX-Video-0.9.8-dev<br>
                                # 放入 ComfyUI/models/checkpoints
                            </div>
                        </div>
                        
                        <div class="mb-6">
                            <h4 class="text-lg font-semibold text-gray-300 mb-2 flex items-center">
                                <span class="w-8 h-8 bg-indigo-500 text-white rounded-full flex items-center justify-center mr-3">5</span>
                                运行示例
                            </h4>
                            <div class="bg-gray-900 text-gray-300 p-4 rounded-lg font-mono text-sm overflow-x-auto">
                                python inference.py --prompt "A cute penguin reading a book" \<br>
                                --height 480 --width 832 --num_frames 96 \<br>
                                --pipeline_config configs/ltxv-13b-0.9.8-distilled.yaml
                            </div>
                        </div>
                        
                        <div class="mb-6">
                            <h4 class="text-lg font-semibold text-gray-300 mb-2 flex items-center">
                                <span class="w-8 h-8 bg-indigo-500 text-white rounded-full flex items-center justify-center mr-3">6</span>
                                优化性能
                            </h4>
                            <div class="bg-gray-900 text-gray-300 p-4 rounded-lg font-mono text-sm overflow-x-auto">
                                pip install git+https://github.com/Lightricks/LTX-Video-Q8-Kernels.git<br>
                                <span class="text-gray-500"># 安装FP8内核以降低VRAM需求</span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Requirements Section -->
    <section class="py-16 px-4 bg-white">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 text-gray-800 font-serif">使用门槛与成本</h2>
                <p class="text-xl text-gray-600 max-w-2xl mx-auto">了解运行LTX-Video的技术要求和成本结构</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
                <div>
                    <h3 class="text-2xl font-bold text-gray-800 mb-6 flex items-center">
                        <i class="fas fa-key mr-3 text-indigo-600"></i> 访问方式
                    </h3>
                    <div class="bg-indigo-50 p-6 rounded-xl">
                        <p class="text-gray-700 mb-4">
                            完全开源，Apache 2.0 许可证（代码）和 Rail-M/Open Rail-M 许可证（模型权重），免费使用，无需注册。
                        </p>
                    </div>
                    
                    <h3 class="text-2xl font-bold text-gray-800 mt-8 mb-6 flex items-center">
                        <i class="fas fa-desktop mr-3 text-blue-600"></i> 环境要求
                    </h3>
                    <div class="bg-blue-50 p-6 rounded-xl">
                        <ul class="list-disc pl-5 text-gray-700 space-y-2">
                            <li>Python 3.10.5</li>
                            <li>PyTorch 2.1.2+</li>
                            <li>CUDA 12.2（或 macOS MPS）</li>
                            <li>最低 8GB VRAM</li>
                            <li>推荐 NVIDIA H100 或 4090</li>
                        </ul>
                    </div>
                </div>
                
                <div>
                    <h3 class="text-2xl font-bold text-gray-800 mb-6 flex items-center">
                        <i class="fas fa-tag mr-3 text-purple-600"></i> 高级版本
                    </h3>
                    <div class="bg-purple-50 p-6 rounded-xl">
                        <p class="text-gray-700 mb-4">
                            无付费订阅，所有功能免费；企业级 API 集成需联系 Lightricks：
                        </p>
                        <a href="https://www.lightricks.com/ltxv" target="_blank" class="text-purple-600 hover:text-purple-800 font-medium">
                            https://www.lightricks.com/ltxv
                        </a>
                    </div>
                    
                    <h3 class="text-2xl font-bold text-gray-800 mt-8 mb-6 flex items-center">
                        <i class="fas fa-coins mr-3 text-green-600"></i> 潜在成本
                    </h3>
                    <div class="bg-green-50 p-6 rounded-xl">
                        <p class="text-gray-700">
                            本地运行免费，Replicate 平台运行约 $0.042/次（约 23 次/$1）；高性能硬件或云端部署可能产生费用。
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <script>
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            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
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</body>
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```